diff --git a/.mailmap b/.mailmap
index b238be626b3..8cc367cbda4 100644
--- a/.mailmap
+++ b/.mailmap
@@ -119,6 +119,8 @@ Josh Shields <shields.joshua.v@gmail.com>
 Karan Desai <karandesai_96@live.com>
 Karan Desai <karandesai_96@live.com> karandesai-96 <karandesai_96@live.com>
 
+Karthik Rishinarada <karthikrk11135@gmail.com>
+
 Kaushik Varanasi <kaushik.varanasi1@gmail.com>
 Kaushik Varanasi <kaushik.varanasi1@gmail.com> kaushik94 <kaushik.varanasi1@gmail.com>
 
diff --git a/tardis/visualization/widgets/tests/test_line_info.py b/tardis/visualization/widgets/tests/test_line_info.py
index 87686c3af29..502de850b85 100644
--- a/tardis/visualization/widgets/tests/test_line_info.py
+++ b/tardis/visualization/widgets/tests/test_line_info.py
@@ -53,6 +53,13 @@ def test_get_species_interactions(
             )
             assert species_interactions_df.shape == (expected_df_length, 1)
 
+    def test_get_middle_half_edges(self, line_info_widget, wavelength_range, filter_mode):
+        arr = np.array([0, 1, 2, 3, 4])
+        res = line_info_widget.get_middle_half_edges(arr)
+        arr = np.sort(arr)
+        expected_res = [(arr[-1] - arr[0]) / 4 + arr[1], (arr[-1] - arr[0]) * 3 / 4 + arr[1]]
+        assert res == expected_res
+
     @pytest.fixture
     def allowed_species(self, line_info_widget, wavelength_range, filter_mode):
         """